Kinetic Energy
touching a hot seat belt when you get into a car
Conduction
When Trevor jumps to the dock from his small boat, the boat dips into the water. This is an example of
Newton's 3rd Law
What is the formula for Force?
F=ma or Force = Mass x Acceleration
What is the cat's average speed if he ran 3 feet in 3 seconds?
1 ft/s
What is stored energy waiting to be used?
Potential Energy
warm air that rises to the ceiling in your house
Convection
when you push a shopping cart that is still, it rolls forward.
Newton's 1st Law
Two people are pushing a box in opposite directions. One person is pushing the box with a force of 20N to the right and the other person is pushing the box with a force of 50N to the left.
What is the Net Force and Direction
30 N Left
Which object had the most mass if they were pushed with the same force?
Object 1- 8 m
Object 2- 12 m
Object 3- 3 m
Object 3
When kinetic energy increases potential energy _____
Decreases
heat emitted by an electric heater
radiation
When a truck gets loaded down and has more mass, the acceleration is less. What law is the reason for this?
A box is being pushed with 60 N to the Right and 40 N Left, are these forces balanced or unbalanced?
Unbalanced
How can you tell if a vehicle is accelerating on a speed/time graph?
The line is at a diagonal
Which point of the rollercoaster has the most kinetic energy?
The bottom of the hill
Sunlight warming your skin
Radiation
The underlying scientific idea that energy cannot be created nor destroyed, it can only be transferred or transformed.
Law of Conservation of Energy
A box is being pushed with 60 N to the Right and 40 N Left,what is the net force and direction?
20 N Right
Louis was traveling south and it took 4 hours to travel 270 miles. What would the velocity of Louis's car?
67.5 mi/hr south
Which part of the rollercoaster has the most potential energy?
The top of the hill
Boiling water in a pot
Convection
A.
A passenger not wearing a seatbelt is ejected from an automobile during a severe crash.
Dinner plates remain on a table when a slick tablecloth is pulled out from underneath them.
An ice hockey puck continues sliding across the relatively frictionless ice until it comes into contact with a wall or a player’s stick.
These are all
Newton's 1st Law
Michael and his bike have a total mass of 78 kg. He is accelerating at a rate of 4 m/s2. What is the force of Michael and his bike?
312 N
The trip from the school to Denton is 66 kilometers. The bus travels for 56 minutes to the North. What is the speed?
1.18 km/min